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converting from I/O to outboard- cost vs efficiency converting from I/O to outboard- cost vs efficiency
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Old 05-15-2006, 09:17 PM
daddy daddy is offline
 
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Lightbulb converting from I/O to outboard- cost vs efficiency
hello. I recently purchased a 1975 21' fiberform cuddycabin with trailer. The boat is in fantastic condition. The motor must be replaced. My question is should I put in a new in/out board motor or seal the transom and mount an outboard on a jackplate? Which is more economically feasible? I am concerned about sealing the hole from the outdrive. Also would like to know the maximum hp for a boat this size. All input will be greatly appreciated.
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Old 05-17-2006, 11:45 PM
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gonzo gonzo is offline
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An outboard will take the weight far aft. It may cause porpoising and other running problems.
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Old 05-18-2006, 06:09 PM
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yes i understand but have seen many setups like that, an outboard on a boat that used to be i/o. what are the specs im looking for?????
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Old 05-19-2006, 04:33 AM
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Raggi_Thor Raggi_Thor is offline
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Why do you want to do this?
In NOrway, the smaller Mercruisers cost less than an outboard.
How many HP do you need?
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Old 05-19-2006, 06:47 AM
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150 hp at least...its a heavy boat and i want an easier engine to access and work on
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Old 05-19-2006, 08:05 AM
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Raggi_Thor Raggi_Thor is offline
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OK, I see.
You can compare weights at www.marinepower.com for example.
I suppose an outboard is lighter than an inboard, so moving the weight a little longer aft is probably not a problem.
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